Analysis

  • max time kernel
    185s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03/05/2022, 12:28

General

  • Target
    54a7e55a79e9ed5626307bdc126f557b.exe
  • Size 1.4MB
  • Sample220503-pna63aecg7
  • SHA256 de6be8d70a1d6739edc1bb788925b5f3c98771e444c72c248fd7ffdf3282fcd9
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops Chrome extension 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54a7e55a79e9ed5626307bdc126f557b.exe
    "C:\Users\Admin\AppData\Local\Temp\54a7e55a79e9ed5626307bdc126f557b.exe"
    1⤵
    • Drops Chrome extension
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2844
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4860
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5064
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffcbe024f50,0x7ffcbe024f60,0x7ffcbe024f70
        3⤵
          PID:5104
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1640 /prefetch:2
          3⤵
            PID:1300
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1764 /prefetch:8
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1540
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2388 /prefetch:8
            3⤵
              PID:1460
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2948 /prefetch:1
              3⤵
                PID:2488
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2924 /prefetch:1
                3⤵
                  PID:1680
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3712 /prefetch:1
                  3⤵
                    PID:2996
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3916 /prefetch:1
                    3⤵
                      PID:3196
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4256 /prefetch:8
                      3⤵
                        PID:1096
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4860 /prefetch:1
                        3⤵
                          PID:2108
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5888 /prefetch:8
                          3⤵
                            PID:932
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6044 /prefetch:8
                            3⤵
                              PID:4884
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6200 /prefetch:8
                              3⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4788
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1632,6180273532433579587,5424687438188962131,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5872 /prefetch:8
                              3⤵
                                PID:3176
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4748

                            Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

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                                  Downloads

                                  background.html

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\aieoplapobidheellikiicjfpamacpfd\11.23.45_0\background.html
                                  • Size 786B
                                  • SHA256 a1064146f622fe68b94cd65a0e8f273b583449fbacfd6fd75fec1eaaf2ec8d6e
                                  • MD5 SHA1 SHA512

                                  icon.png

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\aieoplapobidheellikiicjfpamacpfd\11.23.45_0\icon.png
                                  • Size 6KB
                                  • SHA256 9434dd7008059a60d6d5ced8c8a63ab5cae407e7152da98ca4dda408510f08f5
                                  • MD5 SHA1 SHA512 SSDEEP

                                  aes.js

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\aieoplapobidheellikiicjfpamacpfd\11.23.45_0\js\aes.js
                                  • Size 13KB
                                  • SHA256 fc7e184beeda61bf6427938a84560f52348976bb55e807b224eb53930e97ef6a
                                  • MD5 SHA1 SHA512 SSDEEP

                                  background.js

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\aieoplapobidheellikiicjfpamacpfd\11.23.45_0\js\background.js
                                  • Size 19KB
                                  • SHA256 88d72d8c1963f502245799af6c7d75a0e4b00a1e474e1ab895ec77a6f8990bde
                                  • MD5 SHA1 SHA512 SSDEEP

                                  content.js

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\aieoplapobidheellikiicjfpamacpfd\11.23.45_0\js\content.js
                                  • Size 3KB
                                  • SHA256 40d6653a91bd77ecbd6e59151febb0d8b157b66706aab53d4c281bb1f2fe0cd6
                                  • MD5 SHA1 SHA512

                                  jquery-3.3.1.min.js

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\aieoplapobidheellikiicjfpamacpfd\11.23.45_0\js\jquery-3.3.1.min.js
                                  • Size 84KB
                                  • SHA256 160a426ff2894252cd7cebbdd6d6b7da8fcd319c65b70468f10b6690c45d02ef
                                  • MD5 SHA1 SHA512 SSDEEP

                                  mode-ecb.js

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\aieoplapobidheellikiicjfpamacpfd\11.23.45_0\js\mode-ecb.js
                                  • Size 604B
                                  • SHA256 03164b1ac43853fecdbf988ce900016fb174cf65b03e41c0a9a7bf3a95e8c26a
                                  • MD5 SHA1 SHA512

                                  pad-nopadding.js

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\aieoplapobidheellikiicjfpamacpfd\11.23.45_0\js\pad-nopadding.js
                                  • Size 268B
                                  • SHA256 282308ebc3702c44129438f8299839ca4d392a0a09fdf0737f08ef1e4aff937d
                                  • MD5 SHA1 SHA512

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                  • Size 30KB
                                  • SHA256 2f8e12a8505358a074153642735158a585dc79b67a96fb50ea86afc6ac47a73e
                                  • MD5 SHA1 SHA512 SSDEEP